The FAA is just another gumnt bureaucracy. Like most they start out with a valid purpose, do a decent job, but over time become only interested in increasing their size, income and authority. There should be a 20 year rule (The Sunset Law) "Any organization in existence for 20 years shall be disbanded". - This would work well for congress.

Stall warning off with decreasing airspeed/increasing pitch, on with increasing airspeed/decreasing pitch.That's the answer.
It would be confusing to any pilot who didn't understand that about how the Airbus is programmed.